a team from ucsf recently held similar brainstorming sessions with colleagues in beijing. looking for new ways to research key challenges in cell biology. >>> a study out of u.c. berkeley said if you are not getting enough sleep you may be taking your partner for granted. researchers found sleep habits can impact gratitude. they say the lack of zs can leave couples leaving two tired to say thanks. the findings were presented yesterday at the annual meeting of the society for personality and social psychologist in new orleans. well, we definitely do not get enough sleep on saturday nights. so if i neglected to say thanks, lisa, you know -- >> no, no. you are always gracious. especially when i bring the good weather, right? >> yeah. >> keep the cold and rain away and we are going to do that the next couple days. as we head outside right now, it's certainly dark out there. numbers are chilly away from the city but downtown we've kept the numbers up thanks to the bay water there. compared to yesterday at this time, we are a little cooler in oakland but warmer along the coast a